Security latch



FIG. 1 is a front and right side perspective view of a security latch showing our new design, the partial broken-line disclosure of door, jamb, and keeper plate being for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a right end elevational view thereof, the left end being a mirror image of that shown;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a rear elevational view thereof.

The broken line showing of a door, jamb and keeper plate in FIG. 1 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a security latch, as shown and described. 